Theorem diblss 36459

Description: The value of partial isomorphism B is a subspace of partial vector space H. TODO: use dib* specific theorems instead of dia* ones to shorten proof? (Contributed by NM, 11-Feb-2014.)

Hypotheses

Ref	Expression
diblss.b	|- B = ( Base ` K )
diblss.l	|- .<_ = ( le ` K )
diblss.h	|- H = ( LHyp ` K )
diblss.u	|- U = ( ( DVecH ` K ) ` W )
diblss.i	|- I = ( ( DIsoB ` K ) ` W )
diblss.s	|- S = ( LSubSp ` U )

Assertion

Ref	Expression
diblss	|- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( I ` X ) e. S )

Proof of Theorem diblss

Dummy variables a b x h s t are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqidd 2623	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> (Scalar ` U ) = (Scalar ` U ) )
2		diblss.h	. . . . 5 |- H = ( LHyp ` K )
3		eqid 2622	. . . . 5 |- ( ( TEndo ` K ) ` W ) = ( ( TEndo ` K ) ` W )
4		diblss.u	. . . . 5 |- U = ( ( DVecH ` K ) ` W )
5		eqid 2622	. . . . 5 |- (Scalar ` U ) = (Scalar ` U )
6		eqid 2622	. . . . 5 |- ( Base ` (Scalar ` U ) ) = ( Base ` (Scalar ` U ) )
7	2, 3, 4, 5, 6	dvhbase 36372	. . . 4 |- ( ( K e. HL /\ W e. H ) -> ( Base ` (Scalar ` U ) ) = ( ( TEndo ` K ) ` W ) )
8	7	eqcomd 2628	. . 3 |- ( ( K e. HL /\ W e. H ) -> ( ( TEndo ` K ) ` W ) = ( Base ` (Scalar ` U ) ) )
9	8	adantr 481	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( ( TEndo ` K ) ` W ) = ( Base ` (Scalar ` U ) ) )
10		eqid 2622	. . . . 5 |- ( ( LTrn ` K ) ` W ) = ( ( LTrn ` K ) ` W )
11		eqid 2622	. . . . 5 |- ( Base ` U ) = ( Base ` U )
12	2, 10, 3, 4, 11	dvhvbase 36376	. . . 4 |- ( ( K e. HL /\ W e. H ) -> ( Base ` U ) = ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
13	12	eqcomd 2628	. . 3 |- ( ( K e. HL /\ W e. H ) -> ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) = ( Base ` U ) )
14	13	adantr 481	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) = ( Base ` U ) )
15		eqidd 2623	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( +g ` U ) = ( +g ` U ) )
16		eqidd 2623	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( .s ` U ) = ( .s ` U ) )
17		diblss.s	. . 3 |- S = ( LSubSp ` U )
18	17	a1i 11	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> S = ( LSubSp ` U ) )
19		diblss.b	. . . 4 |- B = ( Base ` K )
20		diblss.l	. . . 4 |- .<_ = ( le ` K )
21		diblss.i	. . . 4 |- I = ( ( DIsoB ` K ) ` W )
22	19, 20, 2, 21, 4, 11	dibss 36458	. . 3 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( I ` X ) C_ ( Base ` U ) )
23	22, 14	sseqtr4d 3642	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( I ` X ) C_ ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
24	19, 20, 2, 21	dibn0 36442	. 2 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( I ` X ) =/= (/) )
25		fvex 6201	. . . . . . 7 |- ( x ` ( 1st ` a ) ) e. _V
26		vex 3203	. . . . . . . 8 |- x e. _V
27		fvex 6201	. . . . . . . 8 |- ( 2nd ` a ) e. _V
28	26, 27	coex 7118	. . . . . . 7 |- ( x o. ( 2nd ` a ) ) e. _V
29	25, 28	op1st 7176	. . . . . 6 |- ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) = ( x ` ( 1st ` a ) )
30	29	coeq1i 5281	. . . . 5 |- ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) = ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) )
31		simpll 790	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( K e. HL /\ W e. H ) )
32		simpr1 1067	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> x e. ( ( TEndo ` K ) ` W ) )
33		simplr 792	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( X e. B /\ X .<_ W ) )
34		simpr2 1068	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> a e. ( I ` X ) )
35	19, 20, 2, 10, 21	dibelval1st1 36439	. . . . . . . . 9 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ a e. ( I ` X ) ) -> ( 1st ` a ) e. ( ( LTrn ` K ) ` W ) )
36	31, 33, 34, 35	syl3anc 1326	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 1st ` a ) e. ( ( LTrn ` K ) ` W ) )
37	2, 10, 3	tendocl 36055	. . . . . . . 8 |- ( ( ( K e. HL /\ W e. H ) /\ x e. ( ( TEndo ` K ) ` W ) /\ ( 1st ` a ) e. ( ( LTrn ` K ) ` W ) ) -> ( x ` ( 1st ` a ) ) e. ( ( LTrn ` K ) ` W ) )
38	31, 32, 36, 37	syl3anc 1326	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( x ` ( 1st ` a ) ) e. ( ( LTrn ` K ) ` W ) )
39		simpr3 1069	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> b e. ( I ` X ) )
40	19, 20, 2, 10, 21	dibelval1st1 36439	. . . . . . . 8 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ b e. ( I ` X ) ) -> ( 1st ` b ) e. ( ( LTrn ` K ) ` W ) )
41	31, 33, 39, 40	syl3anc 1326	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 1st ` b ) e. ( ( LTrn ` K ) ` W ) )
42	2, 10	ltrnco 36007	. . . . . . 7 |- ( ( ( K e. HL /\ W e. H ) /\ ( x ` ( 1st ` a ) ) e. ( ( LTrn ` K ) ` W ) /\ ( 1st ` b ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( LTrn ` K ) ` W ) )
43	31, 38, 41, 42	syl3anc 1326	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( LTrn ` K ) ` W ) )
44		simplll 798	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> K e. HL )
45		hllat 34650	. . . . . . . 8 |- ( K e. HL -> K e. Lat )
46	44, 45	syl 17	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> K e. Lat )
47		eqid 2622	. . . . . . . . 9 |- ( ( trL ` K ) ` W ) = ( ( trL ` K ) ` W )
48	19, 2, 10, 47	trlcl 35451	. . . . . . . 8 |- ( ( ( K e. HL /\ W e. H ) /\ ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) e. B )
49	31, 43, 48	syl2anc 693	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) e. B )
50	19, 2, 10, 47	trlcl 35451	. . . . . . . . 9 |- ( ( ( K e. HL /\ W e. H ) /\ ( x ` ( 1st ` a ) ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) e. B )
51	31, 38, 50	syl2anc 693	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) e. B )
52	19, 2, 10, 47	trlcl 35451	. . . . . . . . 9 |- ( ( ( K e. HL /\ W e. H ) /\ ( 1st ` b ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) e. B )
53	31, 41, 52	syl2anc 693	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) e. B )
54		eqid 2622	. . . . . . . . 9 |- ( join ` K ) = ( join ` K )
55	19, 54	latjcl 17051	. . . . . . . 8 |- ( ( K e. Lat /\ ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) e. B /\ ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) e. B ) -> ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) e. B )
56	46, 51, 53, 55	syl3anc 1326	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) e. B )
57		simplrl 800	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> X e. B )
58	20, 54, 2, 10, 47	trlco 36015	. . . . . . . 8 |- ( ( ( K e. HL /\ W e. H ) /\ ( x ` ( 1st ` a ) ) e. ( ( LTrn ` K ) ` W ) /\ ( 1st ` b ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) .<_ ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) )
59	31, 38, 41, 58	syl3anc 1326	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) .<_ ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) )
60	19, 2, 10, 47	trlcl 35451	. . . . . . . . . 10 |- ( ( ( K e. HL /\ W e. H ) /\ ( 1st ` a ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` a ) ) e. B )
61	31, 36, 60	syl2anc 693	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` a ) ) e. B )
62	20, 2, 10, 47, 3	tendotp 36049	. . . . . . . . . 10 |- ( ( ( K e. HL /\ W e. H ) /\ x e. ( ( TEndo ` K ) ` W ) /\ ( 1st ` a ) e. ( ( LTrn ` K ) ` W ) ) -> ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) .<_ ( ( ( trL ` K ) ` W ) ` ( 1st ` a ) ) )
63	31, 32, 36, 62	syl3anc 1326	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) .<_ ( ( ( trL ` K ) ` W ) ` ( 1st ` a ) ) )
64		eqid 2622	. . . . . . . . . . . 12 |- ( ( DIsoA ` K ) ` W ) = ( ( DIsoA ` K ) ` W )
65	19, 20, 2, 64, 21	dibelval1st 36438	. . . . . . . . . . 11 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ a e. ( I ` X ) ) -> ( 1st ` a ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) )
66	31, 33, 34, 65	syl3anc 1326	. . . . . . . . . 10 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 1st ` a ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) )
67	19, 20, 2, 10, 47, 64	diatrl 36333	. . . . . . . . . 10 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ ( 1st ` a ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` a ) ) .<_ X )
68	31, 33, 66, 67	syl3anc 1326	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` a ) ) .<_ X )
69	19, 20, 46, 51, 61, 57, 63, 68	lattrd 17058	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) .<_ X )
70	19, 20, 2, 64, 21	dibelval1st 36438	. . . . . . . . . 10 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ b e. ( I ` X ) ) -> ( 1st ` b ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) )
71	31, 33, 39, 70	syl3anc 1326	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 1st ` b ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) )
72	19, 20, 2, 10, 47, 64	diatrl 36333	. . . . . . . . 9 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ ( 1st ` b ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) .<_ X )
73	31, 33, 71, 72	syl3anc 1326	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) .<_ X )
74	19, 20, 54	latjle12 17062	. . . . . . . . 9 |- ( ( K e. Lat /\ ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) e. B /\ ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) e. B /\ X e. B ) ) -> ( ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) .<_ X /\ ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) .<_ X ) <-> ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) .<_ X ) )
75	46, 51, 53, 57, 74	syl13anc 1328	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) .<_ X /\ ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) .<_ X ) <-> ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) .<_ X ) )
76	69, 73, 75	mpbi2and 956	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( ( trL ` K ) ` W ) ` ( x ` ( 1st ` a ) ) ) ( join ` K ) ( ( ( trL ` K ) ` W ) ` ( 1st ` b ) ) ) .<_ X )
77	19, 20, 46, 49, 56, 57, 59, 76	lattrd 17058	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) .<_ X )
78	19, 20, 2, 10, 47, 64	diaelval 36322	. . . . . . 7 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) <-> ( ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( LTrn ` K ) ` W ) /\ ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) .<_ X ) ) )
79	78	adantr 481	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) <-> ( ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( LTrn ` K ) ` W ) /\ ( ( ( trL ` K ) ` W ) ` ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) ) .<_ X ) ) )
80	43, 77, 79	mpbir2and 957	. . . . 5 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( x ` ( 1st ` a ) ) o. ( 1st ` b ) ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) )
81	30, 80	syl5eqel 2705	. . . 4 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) )
82		eqid 2622	. . . . . . . . 9 |- ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) ) = ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) )
83		eqid 2622	. . . . . . . . 9 |- ( +g ` (Scalar ` U ) ) = ( +g ` (Scalar ` U ) )
84	2, 10, 3, 4, 5, 82, 83	dvhfplusr 36373	. . . . . . . 8 |- ( ( K e. HL /\ W e. H ) -> ( +g ` (Scalar ` U ) ) = ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) ) )
85	84	ad2antrr 762	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( +g ` (Scalar ` U ) ) = ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) ) )
86	25, 28	op2nd 7177	. . . . . . . 8 |- ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) = ( x o. ( 2nd ` a ) )
87		eqid 2622	. . . . . . . . . . . 12 |- ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) )
88	19, 20, 2, 10, 87, 21	dibelval2nd 36441	. . . . . . . . . . 11 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ a e. ( I ` X ) ) -> ( 2nd ` a ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
89	31, 33, 34, 88	syl3anc 1326	. . . . . . . . . 10 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 2nd ` a ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
90	89	coeq2d 5284	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( x o. ( 2nd ` a ) ) = ( x o. ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ) )
91	19, 2, 10, 3, 87	tendo0mulr 36115	. . . . . . . . . 10 |- ( ( ( K e. HL /\ W e. H ) /\ x e. ( ( TEndo ` K ) ` W ) ) -> ( x o. ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
92	31, 32, 91	syl2anc 693	. . . . . . . . 9 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( x o. ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
93	90, 92	eqtrd 2656	. . . . . . . 8 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( x o. ( 2nd ` a ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
94	86, 93	syl5eq 2668	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
95	19, 20, 2, 10, 87, 21	dibelval2nd 36441	. . . . . . . 8 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) /\ b e. ( I ` X ) ) -> ( 2nd ` b ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
96	31, 33, 39, 95	syl3anc 1326	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 2nd ` b ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
97	85, 94, 96	oveq123d 6671	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) = ( ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) ) ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ) )
98		simpllr 799	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> W e. H )
99	19, 2, 10, 3, 87	tendo0cl 36078	. . . . . . . 8 |- ( ( K e. HL /\ W e. H ) -> ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) e. ( ( TEndo ` K ) ` W ) )
100	99	ad2antrr 762	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) e. ( ( TEndo ` K ) ` W ) )
101	19, 2, 10, 3, 87, 82	tendo0pl 36079	. . . . . . 7 |- ( ( ( K e. HL /\ W e. H ) /\ ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) e. ( ( TEndo ` K ) ` W ) ) -> ( ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) ) ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
102	44, 98, 100, 101	syl21anc 1325	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ( s e. ( ( TEndo ` K ) ` W ) , t e. ( ( TEndo ` K ) ` W ) |-> ( h e. ( ( LTrn ` K ) ` W ) |-> ( ( s ` h ) o. ( t ` h ) ) ) ) ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
103	97, 102	eqtrd 2656	. . . . 5 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
104		ovex 6678	. . . . . 6 |- ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) e. _V
105	104	elsn 4192	. . . . 5 |- ( ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) e. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } <-> ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) = ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) )
106	103, 105	sylibr 224	. . . 4 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) e. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } )
107		opelxpi 5148	. . . 4 |- ( ( ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) e. ( ( ( DIsoA ` K ) ` W ) ` X ) /\ ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) e. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } ) -> <. ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) , ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) >. e. ( ( ( ( DIsoA ` K ) ` W ) ` X ) X. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } ) )
108	81, 106, 107	syl2anc 693	. . 3 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> <. ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) , ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) >. e. ( ( ( ( DIsoA ` K ) ` W ) ` X ) X. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } ) )
109	23	adantr 481	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( I ` X ) C_ ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
110	109, 34	sseldd 3604	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> a e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
111		eqid 2622	. . . . . . 7 |- ( .s ` U ) = ( .s ` U )
112	2, 10, 3, 4, 111	dvhvsca 36390	. . . . . 6 |- ( ( ( K e. HL /\ W e. H ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) ) ) -> ( x ( .s ` U ) a ) = <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. )
113	31, 32, 110, 112	syl12anc 1324	. . . . 5 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( x ( .s ` U ) a ) = <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. )
114	113	oveq1d 6665	. . . 4 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( x ( .s ` U ) a ) ( +g ` U ) b ) = ( <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ( +g ` U ) b ) )
115	89, 100	eqeltrd 2701	. . . . . . 7 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( 2nd ` a ) e. ( ( TEndo ` K ) ` W ) )
116	2, 3	tendococl 36060	. . . . . . 7 |- ( ( ( K e. HL /\ W e. H ) /\ x e. ( ( TEndo ` K ) ` W ) /\ ( 2nd ` a ) e. ( ( TEndo ` K ) ` W ) ) -> ( x o. ( 2nd ` a ) ) e. ( ( TEndo ` K ) ` W ) )
117	31, 32, 115, 116	syl3anc 1326	. . . . . 6 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( x o. ( 2nd ` a ) ) e. ( ( TEndo ` K ) ` W ) )
118		opelxpi 5148	. . . . . 6 |- ( ( ( x ` ( 1st ` a ) ) e. ( ( LTrn ` K ) ` W ) /\ ( x o. ( 2nd ` a ) ) e. ( ( TEndo ` K ) ` W ) ) -> <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
119	38, 117, 118	syl2anc 693	. . . . 5 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
120	109, 39	sseldd 3604	. . . . 5 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> b e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) )
121		eqid 2622	. . . . . 6 |- ( +g ` U ) = ( +g ` U )
122	2, 10, 3, 4, 5, 121, 83	dvhvadd 36381	. . . . 5 |- ( ( ( K e. HL /\ W e. H ) /\ ( <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) /\ b e. ( ( ( LTrn ` K ) ` W ) X. ( ( TEndo ` K ) ` W ) ) ) ) -> ( <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ( +g ` U ) b ) = <. ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) , ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) >. )
123	31, 119, 120, 122	syl12anc 1324	. . . 4 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ( +g ` U ) b ) = <. ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) , ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) >. )
124	114, 123	eqtrd 2656	. . 3 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( x ( .s ` U ) a ) ( +g ` U ) b ) = <. ( ( 1st ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) o. ( 1st ` b ) ) , ( ( 2nd ` <. ( x ` ( 1st ` a ) ) , ( x o. ( 2nd ` a ) ) >. ) ( +g ` (Scalar ` U ) ) ( 2nd ` b ) ) >. )
125	19, 20, 2, 10, 87, 64, 21	dibval2 36433	. . . 4 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( I ` X ) = ( ( ( ( DIsoA ` K ) ` W ) ` X ) X. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } ) )
126	125	adantr 481	. . 3 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( I ` X ) = ( ( ( ( DIsoA ` K ) ` W ) ` X ) X. { ( h e. ( ( LTrn ` K ) ` W ) |-> ( _I |` B ) ) } ) )
127	108, 124, 126	3eltr4d 2716	. 2 |- ( ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) /\ ( x e. ( ( TEndo ` K ) ` W ) /\ a e. ( I ` X ) /\ b e. ( I ` X ) ) ) -> ( ( x ( .s ` U ) a ) ( +g ` U ) b ) e. ( I ` X ) )
128	1, 9, 14, 15, 16, 18, 23, 24, 127	islssd 18936	1 |- ( ( ( K e. HL /\ W e. H ) /\ ( X e. B /\ X .<_ W ) ) -> ( I ` X ) e. S )

Syntax hints:   -> wi 4   <-> wb 196   /\ wa 384   /\ w3a 1037   = wceq 1483   e. wcel 1990   C_ wss 3574   {csn 4177   <.cop 4183   class class class wbr 4653   |-> cmpt 4729   _I cid 5023   X. cxp 5112   |` cres 5116   o. ccom 5118   ` cfv 5888  (class class class)co 6650   |-> cmpt2 6652   1stc1st 7166   2ndc2nd 7167   Basecbs 15857   +g cplusg 15941  Scalarcsca 15944   .scvsca 15945   lecple 15948   joincjn 16944   Latclat 17045   LSubSpclss 18932   HLchlt 34637   LHypclh 35270   LTrncltrn 35387   trLctrl 35445   TEndoctendo 36040   DIsoAcdia 36317   DVecHcdvh 36367   DIsoBcdib 36427

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013  ax-riotaBAD 34239

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-fal 1489  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-iin 4523  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-undef 7399  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-1o 7560  df-oadd 7564  df-er 7742  df-map 7859  df-en 7956  df-dom 7957  df-sdom 7958  df-fin 7959  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-3 11080  df-4 11081  df-5 11082  df-6 11083  df-n0 11293  df-z 11378  df-uz 11688  df-fz 12327  df-struct 15859  df-ndx 15860  df-slot 15861  df-base 15863  df-plusg 15954  df-mulr 15955  df-sca 15957  df-vsca 15958  df-preset 16928  df-poset 16946  df-plt 16958  df-lub 16974  df-glb 16975  df-join 16976  df-meet 16977  df-p0 17039  df-p1 17040  df-lat 17046  df-clat 17108  df-lss 18933  df-oposet 34463  df-ol 34465  df-oml 34466  df-covers 34553  df-ats 34554  df-atl 34585  df-cvlat 34609  df-hlat 34638  df-llines 34784  df-lplanes 34785  df-lvols 34786  df-lines 34787  df-psubsp 34789  df-pmap 34790  df-padd 35082  df-lhyp 35274  df-laut 35275  df-ldil 35390  df-ltrn 35391  df-trl 35446  df-tendo 36043  df-edring 36045  df-disoa 36318  df-dvech 36368  df-dib 36428

This theorem is referenced by:  diblsmopel  36460  cdlemn5pre  36489  cdlemn11c  36498  dihjustlem  36505  dihord1  36507  dihord2a  36508  dihord2b  36509  dihord11c  36513  dihlsscpre  36523  dihopelvalcpre  36537  dihlss  36539  dihord6apre  36545  dihord5b  36548  dihord5apre  36551